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Performance of Read Head Offset on Patterned Media Recording Channel  

Kim, Jin-Young (숭실대학교 정보통신전자공학부 정보저장 및 통신 연구실)
Lee, Jae-Jin (숭실대학교 정보통신전자공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.11C, 2010 , pp. 896-900 More about this Journal
Abstract
We investigate the bit error rate against signal-to-noise ratio performance corresponding to track mis-registration for patterned media storage. The patterned media channels with and without soft underlayer are implemented, and we simulate using one-dimensional Viterbi detector and two-dimensional soft output Viterbi detector (SOVA) when the track mis-registration is 0% (on-track), 10%, 20%, 30%, and 40%. While the BER performance degrades approximate 0.3 ~ 0.5 dB at 10% track mis-registration, it degrades severe over 10% track mis-registration.
Keywords
Pattened media; Soft output Viterbi algorithm; Two-dimensional Intersysbol Interference;
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